Brennan, L. (1993). The complete book of business etiquetie. Judy Piatkus.
Lua i Stíl Chicago (17ú heag.)Brennan, Lynne. The Complete Book of Business Etiquetie. London: Judy Piatkus, 1993.
Lua MLA (9ú heag.)Brennan, Lynne. The Complete Book of Business Etiquetie. Judy Piatkus, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.